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BOSTON MARATHON 2025

Cian Bell

Bib: 1910•M

VA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 22%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:11
Rank: #3791
Start → 5K
20:11 | 6:30/mi
10K· 6.21 mi
40:40
Rank: #4095 (-304)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:00:08
Rank: #3329 (+766)
10K → 15K
19:28 | 6:16/mi
20K· 12.43 mi
1:21:14
Rank: #3742 (-413)
15K → 20K
21:06 | 6:47/mi
Half· 13.11 mi
1:25:23
Rank: #3608 (+134)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:40:26
Rank: #3158 (+450)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:59:53
Rank: #2613 (+545)
25K → 30K
19:27 | 6:16/mi
20M
2:08:22
Rank: #2409 (+204)
30K → 20M
8:29 | 6:15/mi
21M
2:14:40
Rank: #2211 (+198)
20M → 21M
6:18 | 6:18/mi
35K· 21.75 mi
2:19:09
Rank: #2123 (+88)
21M → 35K
4:29 | 6:00/mi
23M
2:26:50
Rank: #1942 (+181)
35K → 23M
7:41 | 6:08/mi
24M
2:32:44
Rank: #1810 (+132)
23M → 24M
5:54 | 5:54/mi
40K· 24.85 mi
2:37:55
Rank: #1695 (+115)
24M → 40K
5:11 | 6:04/mi
25.2M
2:40:11
Rank: #1648 (+47)
40K → 25.2M
2:16 | 6:34/mi
Finish· 26.22 mi
2:46:11
Rank: #1557 (+91)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:25:23
Pace6:31 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:48
Pace6:10 /mi
📊Negative Split: 5.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3620:116:3020:11
6:30
-
10K
6.21 mi10:42:0540:406:3320:29
6:36
+0:06
15K
9.32 mi11:01:331:00:086:2719:28
6:16
-0:20
20K
12.43 mi11:22:391:21:146:3221:06
6:47
+0:31
Half
13.11 mi11:26:481:25:236:314:09
6:05
-0:42
25K
15.53 mi11:41:511:40:266:2815:03
6:12
+0:07
30K
18.64 mi12:01:181:59:536:2619:27
6:16
+0:04
20M
20.00 mi12:09:472:08:226:258:29
6:15
-0:01
21M
21.00 mi12:16:052:14:406:256:18
6:18
+0:03
35K
21.75 mi12:20:342:19:096:244:29
6:00
-0:18
23M
23.00 mi12:28:152:26:506:237:41
6:08
+0:08
24M
24.00 mi12:34:092:32:446:225:54
5:54
-0:14
40K
24.85 mi12:39:202:37:556:215:11
6:04
+0:10
25.2M
25.20 mi12:41:362:40:116:212:16
6:34
+0:30
Finish
26.22 mi12:47:362:46:116:216:00
5:53
-0:41

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:53 /mi

Average Pace

6:21 /mi

Slowest Pace

6:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:09

61% of race

Time at Steady Pace

1:04:02

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:20 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:21:3620:116:3020:11
6:30
#3791
10K
6.21 mi10:42:0540:406:3320:29
6:36
#4095
15K
9.32 mi11:01:331:00:086:2719:28
6:16
#3329
20K
12.43 mi11:22:391:21:146:3221:06
6:47
#3742
Half
13.11 mi11:26:481:25:236:314:09
6:05
#3608
25K
15.53 mi11:41:511:40:266:2815:03
6:12
#3158
30K
18.64 mi12:01:181:59:536:2619:27
6:16
#2613
20M
20.00 mi12:09:472:08:226:258:29
6:15
#2409
21M
21.00 mi12:16:052:14:406:256:18
6:18
#2211
35K
21.75 mi12:20:342:19:096:244:29
6:00
#2123
23M
23.00 mi12:28:152:26:506:237:41
6:08
#1942
24M
24.00 mi12:34:092:32:446:225:54
5:54
#1810
40K
24.85 mi12:39:202:37:556:215:11
6:04
#1695
25.2M
25.20 mi12:41:362:40:116:212:16
6:34
#1648
Finish
26.22 mi12:47:362:46:116:216:00
5:53
#1557
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3791358635862175(Top 8%)2073(Top 13%)2073(Top 37%)
10K6.21 mi3.10 mi4095-3043859-2733859-2734398(Top 15%)4123(Top 26%)4123(Top 73%)
15K9.32 mi3.11 mi3329+7663160+6993160+6992175(Top 8%)2073(Top 13%)2073(Top 37%)
20K12.43 mi3.11 mi3742-4133532-3723532-3725188(Top 18%)4777(Top 30%)4777(Top 85%)
Half13.11 mi0.68 mi3608+1343415+1173415+1171481(Top 5%)1409(Top 9%)1409(Top 25%)
25K15.53 mi2.42 mi3158+4503009+4063009+4061488(Top 5%)1414(Top 9%)1414(Top 25%)
30K18.64 mi3.11 mi2613+5452493+5162493+5161097(Top 4%)1032(Top 6%)1032(Top 18%)
20M20.00 mi1.36 mi2409+2042297+1962297+196837(Top 3%)790(Top 5%)790(Top 14%)
21M21.00 mi1.00 mi2211+1982109+1882109+188376(Top 1%)353(Top 2%)353(Top 6%)
35K21.75 mi0.75 mi2123+882022+872022+87739(Top 3%)692(Top 4%)692(Top 12%)
23M23.00 mi1.25 mi1942+1811843+1791843+179563(Top 2%)531(Top 3%)531(Top 9%)
24M24.00 mi1.00 mi1810+1321714+1291714+129409(Top 1%)380(Top 2%)380(Top 7%)
40K24.85 mi0.85 mi1695+1151605+1091605+109482(Top 2%)449(Top 3%)449(Top 8%)
25.2M25.20 mi0.35 mi1648+471560+451560+45581(Top 2%)541(Top 3%)541(Top 10%)
Finish26.22 mi1.02 mi1557+911474+861474+86662(Top 2%)623(Top 4%)623(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2175

Males

2073

M18-39

2073

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4398

Males

4123

M18-39

4123

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2175

Males

2073

M18-39

2073

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5188

Males

4777

M18-39

4777

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1481

Males

1409

M18-39

1409

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1488

Males

1414

M18-39

1414

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1097

Males

1032

M18-39

1032

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

837

Males

790

M18-39

790

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

376

Males

353

M18-39

353

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

739

Males

692

M18-39

692

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

563

Males

531

M18-39

531

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

409

Males

380

M18-39

380

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

482

Males

449

M18-39

449

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

581

Males

541

M18-39

541

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

662

Males

623

M18-39

623

Passing Analysis

Category:
Athletes Passed
3024
Passed By
790
Net Change
+2234
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3791
5K → 10K47351-304#3791#4095
10K → 15K7660+766#4095#3329
15K → 20K20433-413#3329#3742
20K → Half1340+134#3742#3608
Half → 25K4511+450#3608#3158
25K → 30K5461+545#3158#2613
30K → 20M2051+204#2613#2409
20M → 21M1980+198#2409#2211
21M → 35K880+88#2211#2123
35K → 23M1810+181#2123#1942
23M → 24M1320+132#1942#1810
24M → 40K1161+115#1810#1695
40K → 25.2M470+47#1695#1648
25.2M → Finish932+91#1648#1557
TOTALS3024790+2234
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing